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ratelena [41]
2 years ago
6

A person who has a weakened immune system may not be able to fight against infection because

Biology
2 answers:
ra1l [238]2 years ago
8 0

Answer:

a.

Explanation:

pathogens may enter the body and cause illness.

Sholpan [36]2 years ago
7 0

Answer:

A is the answer to you question ED2020

Explanation:

this would be your answer guys !!

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how would a variety of organic compounds be different if carbon had seven electrons in its outermost energy level instead of fou
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How do aggregate fruits develop?
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Please help! (\_/) 10 pts
Dmitrij [34]

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Genes, chromosomes, and nucleus

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2 years ago
Some cells release substances that can travel to other cells in the body and be detected by checkpoint proteins. This signals th
mash [69]

Answer:

Growth factors

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3 years ago
If an atom has twelve electrons, how many electrons are in the n=1 energy level? how many electrons are in the n=2 energy level?
Serjik [45]

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so the electron configuration of Magnesium in 2,8,2..................or more precisely 1s2, 2s2, 2p6, 3s2

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